This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2018, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1 | ABBLITT, Paige Rachel | SA | Merit | Research Project B | |
| 2 | ABEYKOON MUDIYANSELAGE, Raveesha Sandali | SA | Merit | General Mathematics | |
| 3 | ABEYKOON MUDIYANSELAGE, Raveesha Sandali | SA | Merit | Research Project B | |
| 4 | ABEYKOON MUDIYANSELAGE, Raveesha Sandali | SA | Merit | Sinhala (Continuers) | |
| 5 | ACOSTA, Alyssa Stella Diaz | SA | Merit | Chemistry | |
| 6 | ACTON, Melisa Lestira | SA | Merit | English as an Additional Language | |
| 7 | ADAMS, Rory John | SA | Merit | Research Project B | |
| 8 | Adkins, Philippa (Pippa) | Pulteney Grammar School | Adelaide | Gov of SA SACE Award | |
| 9 | ADKINS, Philippa Dorothy | SA | Merit | Physics | |
| 10 | AHMADI, Zahra | SA | Merit | Research Project B | |
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| 11 | AHMED, Jakeya | SA | Merit | Biology | |
| 12 | AHMED, Jakeya | SA | Merit | Chemistry | |
| 13 | AIKENS, Finlay Alexander | SA | Merit | Modern History | |
| 14 | AINSCOUGH, Louise | SA | Merit | English | |
| 15 | AIRD, Carlye Simone | SA | Merit | Research Project B | |
| 16 | ALBANESE, Chelsea Victoria | SA | Merit | Biology | |
| 17 | ALBANESE, Chelsea Victoria | SA | Merit | Research Project B | |
| 18 | ALLEN, Charlotte Grace | SA | Merit | Agricultural Production | |
| 19 | ALLEN, Charlotte Grace | SA | Merit | Agricultural Systems | |
| 20 | ALLEN, Charlotte Grace | SA | Merit | English | |
| 21 | ALLEN, Olivia Kathryn | SA | Merit | Research Project B | |
| 22 | ALSHARIFI, Ali | SA | Merit | Research Project B | |
| 23 | ALVARO, Kristina | SA | Merit | General Mathematics | |
| 24 | ANDERSON, Daniel | SA | Merit | Integrated Learning B | |
| 25 | ANDERSON, Ella Beth | SA | Merit | Biology | |
| 26 | ANDERSON, Ella Beth | SA | Merit | English | |
| 27 | AO, Nikki | SA | Merit | Mathematical Methods | |
| 28 | ARCHER, Tom Mackenzie | SA | Merit | Business and Enterprise | |
| 29 | ARENS, Catherine Elizabeth | SA | Merit | Musicianship | |
| 30 | ARJOMANDI, Artin | SA | Merit | English | |
| 31 | ARNEY, Lauren Kate | SA | Merit | Physical Education | |
| 32 | ARORA, Neil | SA | Merit | General Mathematics | |
| 33 | ASHBY, Sophie Isabella | SA | Merit | Physical Education | |
| 34 | ATAIE ASHTIANI, Sara | SA | Merit | Biology | |
| 35 | ATAIE ASHTIANI, Sara | SA | Merit | Psychology | |
| 36 | ATKINS, Kaitlin | SA | Merit | Mathematical Methods | |
| 37 | AU, Nga Ying | SA | Merit | English | |
| 38 | AU, Sarah | SA | Merit | English | |
| 39 | AUGUSTINE, Marika | SA | Merit | Religion Studies | |
| 40 | AWEGE, Sophie Natasha Jane | SA | Merit | English | |
| 41 | AWWAD, Josephine | SA | Merit | General Mathematics | |
| 42 | AZZOLLINI, Amelia | SA | Merit | Health | |
| 43 | BACALOGLOU, Latia | SA | Merit | Integrated Learning A | |
| 44 | BAILEY, Georgina Kate | SA | Merit | Biology | |
| 45 | BAILYE, Harrison | SA | Merit | Business and Enterprise | |
| 46 | BAIN, Erin Sian | SA | Merit | English | |
| 47 | BAKER, Ani Tania | SA | Merit | Chemistry | |
| 48 | BAKER-SIMPSON, Charlotte-Jane | SA | Merit | Music Individual Study | |
| 49 | BALASIS, Jack Con | SA | Merit | General Mathematics | |
| 50 | BALDRY, Oliver | SA | Merit | Research Project B | |